Inventor · disambiguated record
Toshiyuki Katayama
Also filed as: KATAYAMA TOSHIYUKI
6 granted patents·118 citations·filing 1979–2021
83Inventor score
Top patents by PatentIndex Score
6 records- 0185US7661720B2Connection structure for different kinds of metal tubesNICHIRIN CO LTD·Filed 2006·Granted Feb 16, 2010·21 cites·7 claims
- 0285US4285534APulsation-absorbing flexible pipe for pressure fluid deviceNICHIRIN RUBBER IND·Filed 1979·Granted Aug 25, 1981·68 cites·2 claims
- 0363US8020897B2Joint structure of steel pipe and light metal pipeNICHIRIN CO LTD·Filed 2006·Granted Sep 20, 2011·4 cites·13 claims
- 0452US12383123B2Endoscope having a joining portion in which liquid and gas joinHOYA CORP·Filed 2021·Granted Aug 12, 2025·0 cites·7 claims
- 0542US5379325AClock generating apparatus, data transmitting/receiving apparatus and data transmitting/receiving methodHITACHI LTD·Filed 1991·Granted Jan 3, 1995·16 cites·9 claims
- 0632US5944644ARoll of winding equipment in rolling factoryNIPPON STEEL HARDFACING·Filed 1996·Granted Aug 31, 1999·9 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →